> On Sun, 12 Mar 2000, Simon Redwood wrote: > > Can anyone help me track down an eeprom marked up as a S2430 or 24H30. I > > am > > unable to find any data on it at all. Any info gratefully received. Here you'll find it unprotected, but hurry - who knows how long: http://algg.mtron.ru/literatu.html and of course you can go directly to the source: http://www.seiko-usa-ecd.com/intcir/html/memory/s22h.html > I found its datasheets at : > http://ai.mtron.ru/doc/ > but the bad thing is, that this document needs password to be downloaded. > Uwe. This is a small serial NOVRAM made by Seiko. The pin functions are supposedly similar to a Xicor X2444. It has 8x8 bits of storage and the DIP and SOIC packages have a different pin-out! Description DIP SOIC Chip Enable 1 3 Serial Clock 2 4 Data Input 3 5 Data Output 4 6 Ground 5 7 Recall- 6 8 Store- 7 1 Vcc 8 2 Joe.